CN215090847U - Manual drilling tool - Google Patents

Abstract

The utility model provides a manual drilling tool, include: a first bracket; a drill rotatably mounted on the first bracket; the second bracket is connected with the first bracket, and a preset angle is formed between the second bracket and the first bracket; the operating part is arranged on the second bracket and is positioned above the drill bit; and the transmission part is connected between the operation part and the drill bit, and the operation part drives the drill bit to rotate through the transmission part. The technical scheme of the application effectively solves the problem that the electric drilling machine cannot be used under the condition of no electricity in the related art.

Description

Manual drilling tool

Technical Field

The utility model relates to a railway construction technical field particularly, relates to a manual drilling tool.

Background

The rail drilling machine used for the rail drilling operation has the driving modes of electric driving and gasoline engine driving: the electric drill is fixed on the drill frame, the drill frame is fixed on a steel rail needing drilling when the steel rail is drilled, the generator is arranged on site, the generator is connected with the electric drill through a cable to drive the electric drill, the drill frame utilizes a gear to drive a rack mode or a lead screw jacking mode to form pressure on a drill bit and the side wall of the steel rail, and the drill bit finishes cutting the side wall of the steel rail when rotating; the gasoline engine is driven by integrating the gasoline engine, the drill stand, the speed reducer, the drill chuck and the jacking device into a whole, the drill stand and the steel rail are fixed when the steel rail is drilled, the torque generated by the gasoline engine during working is directly output to the speed reducer to drive the drill chuck to rotate, and the gear drives the rack to enable the drill bit and the side wall of the steel rail to generate larger pressure to finish cutting.

In the related art, the power pulling difficulty is large at the railway construction site, so that an electric drilling machine cannot be used.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a manual drilling tool to solve among the related art under the electroless condition, the unable problem of using of electric drill.

In order to achieve the above object, the present invention provides a manual drilling tool, including: a first bracket; a drill rotatably mounted on the first bracket; the second bracket is connected with the first bracket, and a preset angle is formed between the second bracket and the first bracket; the operating part is arranged on the second bracket and is positioned above the drill bit; and the transmission part is connected between the operation part and the drill bit, and the operation part drives the drill bit to rotate through the transmission part.

Further, first support includes two plate bodys that the interval set up and connects the connecting piece between two plate bodys, and the drill bit is worn to locate in the connecting piece.

Further, the connecting piece includes bearing and connecting rod, and the connecting rod is connected between bearing and plate body, and the drill bit is worn to locate in the bearing.

Further, the connecting piece is a plurality of, and a plurality of connecting pieces set up along the length direction interval of drill bit.

Further, the operating portion includes the first gear that rotationally sets up on the second support and the crank of connecting on the first gear, and the crank includes two, and two cranks are connected in the both sides of first gear.

Further, the transmission part comprises a rack ring and a second gear, the first gear is arranged above the second gear in a vertical mode, and the rack ring is sleeved outside the first gear and the second gear.

Further, the second support includes the pole setting of being connected with first support and the horizontal pole of being connected with the pole setting, and the operating portion sets up on the horizontal pole.

Further, the manual drilling tool further comprises a bridging portion connected to one end of the first support away from the drill bit.

Further, the overlap joint portion includes slope section, straight section and spacing section, and straight section is connected between slope section and spacing section, has contained angle a between slope section and the spacing section, and wherein, a is greater than or equal to 45 and is less than or equal to 120.

Further, the manual drilling tool comprises an ejector, the drill bit comprises a head and a rod, a first end of the rod is connected with the head, and a second end of the rod is connected with the ejector.

Use the technical scheme of the utility model, the drill bit is rotationally installed on first support, and the second support is connected with first support to have the angle of predetermineeing with first support, the operating portion sets up on the second support, and is located the top of drill bit. The transmission part is connected between the operation part and the drill bit, and the operation part can drive the drill bit to rotate through the transmission part. Through foretell setting, when the scene was under construction, operating personnel only need drive the operating portion can drive the drill bit through transmission portion and rotate to carry out drilling, such easy operation, the construction degree of difficulty is lower, need not to use electric power. Therefore, the technical scheme of the application effectively solves the problem that the electric drilling machine cannot be used under the condition of no electricity in the related art.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a manual drilling tool according to the present invention;

FIG. 2 shows a perspective view of another perspective view of the manual boring tool of FIG. 1;

FIG. 3 shows a side view schematic of the manual drilling tool of FIG. 1; and

fig. 4 shows a schematic bottom view of the hand-held drilling tool of fig. 1.

Wherein the figures include the following reference numerals:

10. a first bracket; 11. a plate body; 12. a connecting member; 121. a bearing; 122. a connecting rod; 20. a drill bit; 21. a head portion; 22. a rod portion; 30. a second bracket; 31. erecting a rod; 32. a cross bar; 40. an operation section; 41. a first gear; 42. a crank; 50. a transmission section; 51. a rack ring; 52. a second gear; 60. a lap joint section; 61. an inclined section; 62. a straight section; 63. a limiting section; 70. and pushing the ejecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the related technology, the drilling machine has larger volume and can not be expanded in narrow gaps, and particularly, the drilling machine cannot be used due to the influence of rail spacing in the drilling construction operation of compound intersection turnout rails; the drill bit has high rotating speed, so that high heat is easily generated, the drill bit is annealed, the rigidity of the drill bit is influenced, the strength is reduced, and the consumption of the drill bit is increased; when the traditional drilling machine is used for electric drilling operation, the material of the carried tool is more and heavier, and the material is not enough, so that the operation by a plurality of people is needed, the working time is wasted, and the manufacturing cost of the whole set of tool is higher.

In order to solve the above-mentioned problems, as shown in fig. 1 to 4, in the present embodiment, a manual drilling tool includes: a first bracket 10, a drill 20, a second bracket 30, an operation part 40, and a transmission part 50. The drill bit 20 is rotatably mounted on the first bracket 10. The second bracket 30 is connected to the first bracket 10 with a predetermined angle between the second bracket 30 and the first bracket 10. The operating portion 40 is provided on the second bracket 30 above the drill 20. The transmission part 50 is connected between the operation part 40 and the drill 20, and the operation part 40 drives the drill 20 to rotate through the transmission part 50.

With the solution of the present embodiment, the drill 20 is rotatably mounted on the first bracket 10, the second bracket 30 is connected to the first bracket 10 and has a predetermined angle with the first bracket 10, and the operation portion 40 is disposed on the second bracket 30 and above the drill 20. The transmission section 50 is connected between the operation section 40 and the drill 20, and the operation section 40 can drive the drill 20 to rotate through the transmission section 50. Through the arrangement, when construction is carried out on site, an operator only needs to drive the operation part 40 to drive the drill bit 20 to rotate through the transmission part 50 and drill holes, so that the operation is simple, the construction difficulty is low, and electric power does not need to be used. Therefore, the technical scheme of the embodiment effectively solves the problem that the electric drilling machine cannot be used under the condition of no electricity in the related art.

In order to improve the stability of the first bracket, as shown in fig. 1 to 4, in the present embodiment, the first bracket 10 includes two plate bodies 11 disposed at an interval and a connecting member 12 connected between the two plate bodies 11, and the drill bit 20 is inserted into the connecting member 12. The two plate bodies 11 are arranged at intervals, so that the first support 10 is stable in structure, and the drilling effect can be improved. The connecting piece 12 can fix the drill bit, and the drilling accuracy can be better through the arrangement of the connecting piece 12.

In order to make the drill bit more stable, as shown in fig. 1 to 4, in the present embodiment, the connecting member 12 includes a bearing 121 and a connecting rod 122, the connecting rod 122 is connected between the bearing 121 and the plate body 11, and the drill bit 20 is inserted into the bearing 121. The connection effect of the bearing 121 is good, the drill bit 20 can rotate in the bearing 121, and the connecting rod 122 can improve the width between the two plate bodies 11, so that the manual drilling tool is more stable in use.

As shown in fig. 1 to 4, in the present embodiment, the connecting member 12 is provided in plurality, and the plurality of connecting members 12 are provided at intervals along the length direction of the drill 20. Multiple connectors 12 can improve the stability of the drill bit 20. Specifically, in the present embodiment, the connecting members 12 are two spaced apart.

In order to reduce the difficulty of the operation, as shown in fig. 1 to 4, in the present embodiment, the operation portion 40 includes a first gear 41 rotatably provided on the second bracket 30 and a crank 42 connected to the first gear 41, and the crank 42 includes two, and the two cranks 42 are connected to both sides of the first gear 41. The two cranks 42 are respectively positioned at two sides of the first gear 41 and are symmetrically arranged about the center of the first gear 41, so that an operator can operate with both hands during operation, and on one hand, the operation efficiency, namely the drilling efficiency, can be improved; on the other hand, the stability of the operation can be improved.

In order to improve the transmission efficiency, as shown in fig. 1 to 4, in the present embodiment, the transmission portion 50 includes a rack ring 51 and a second gear 52, the first gear 41 is disposed vertically above the second gear 52, and the rack ring 51 is sleeved outside the first gear 41 and the second gear 52. The second gear 52 and the rack ring 51 have good transmission effect, and the rotation of the first gear 41 can be effectively converted into the rotation of the second gear 52. Specifically, the diameter of the first gear 41 is larger than the diameter of the second gear 52 in the present embodiment. The diameter of the first gear 41 is greater than 1.5 times the diameter of the second gear 52.

As shown in fig. 1 to 4, in the present embodiment, the second bracket 30 includes a vertical rod 31 connected to the first bracket 10 and a cross rod 32 connected to the vertical rod 31, and the operating portion 40 is provided on the cross rod 32. The cross bar 32 is parallel to the extending direction of the plate body 11, and the vertical bar 31 is perpendicular to the plate body 11, so that the whole structure is stable, and the transmission effect of the transmission part 50 can be indirectly improved.

In order to prevent the manual boring tool from being detached from the rail, as shown in fig. 1 to 4, in the present embodiment, the manual boring tool further includes a bridge portion 60, and the bridge portion 60 is connected to an end of the first bracket 10 remote from the boring head 20. The lap joint part 60 is lapped with the rail and can be in limit fit with the rail, so that the drill bit 20 is pressed against the rail, and the lap joint part 60 can prevent the manual drilling tool from being separated from the rail, so that the drilling effect can be ensured. Specifically, the bridge 60 and the drill 20 correspond to clamping the rail.

In order to improve the limiting effect, as shown in fig. 1 to 4, in the present embodiment, the overlapping portion 60 includes an inclined section 61, a straight section 62 and a limiting section 63, the straight section 62 is connected between the inclined section 61 and the limiting section 63, an included angle a is formed between the inclined section 61 and the limiting section 63, wherein a is greater than or equal to 45 degrees and less than or equal to 120 degrees. The straight section 62 is abutted against the top surface of the rail, the limiting section 63 is abutted against the rail, and the limiting section 63 can be in limiting fit with the rail. Specifically, in the present embodiment, the angle a is 90 °.

In order to facilitate the operation of the operator, as shown in fig. 1 to 4, in the present embodiment, the hand-operated drilling tool includes an ejector 70, the drill bit 20 includes a head portion 21 and a shaft portion 22, a first end of the shaft portion 22 is connected to the head portion 21, and a second end of the shaft portion 22 is connected to the ejector 70. The ejector 70 is convenient for an operator to push the drill bit 20, so that the drilling is faster, and the drilling efficiency is effectively improved.

It should be noted that the outer surface of the rod portion is provided with an external thread, the inside of the bearing is provided with an internal thread, and the external thread is in threaded connection with the internal thread, so that the drill bit is effectively prevented from retreating or even being disengaged, and the drilling efficiency can be effectively improved.

The manual drilling tool of the embodiment is simple in structure and convenient to assemble. And the difficulty of drilling is less, need not pull the electricity at the scene. Can be widely applied to the construction of the track. Therefore, the method has good popularization prospect.

Specifically, the manual drilling tool of the present embodiment is used as follows: after the manual drilling tool is installed on a steel rail, one person pushes the ejector 70, the other person drives the crank handle 42 to rotate, the crank handle 42 rotates to drive the rack ring 51 to move, and the rack ring 51 moves to enable the drill bit 20 to move, so that the drill bit 20 can effectively drill. Through foretell pure manual drilling, the degree of difficulty of drilling is less and can improve the accuracy of drilling. Meanwhile, the power does not need to be pulled on site, so that the difficulty of site construction can be reduced, and the accuracy and the effect of drilling can be improved. And the manual boring tool of this embodiment is convenient for take, and the quality is lighter.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A manual drilling tool, comprising:

a first bracket (10);

a drill (20) rotatably mounted on the first bracket (10);

a second bracket (30) connected to the first bracket (10), the second bracket (30) having a predetermined angle with the first bracket (10);

an operating section (40) provided on the second holder (30) and located above the drill (20);

and the transmission part (50) is connected between the operating part (40) and the drill bit (20), and the operating part (40) drives the drill bit (20) to rotate through the transmission part (50).

2. Manual drilling tool according to claim 1, characterized in that the first bracket (10) comprises two spaced-apart plates (11) and a connecting piece (12) connected between the two plates (11), the drill bit (20) being arranged through the connecting piece (12).

3. Manual drilling tool according to claim 2, wherein the connecting piece (12) comprises a bearing (121) and a connecting rod (122), the connecting rod (122) being connected between the bearing (121) and the plate (11), the drill bit (20) being arranged through the bearing (121).

4. A hand operated drilling tool according to claim 2, wherein the connector (12) is plural, and a plurality of the connectors (12) are provided at intervals along the length of the drill bit (20).

5. The manual drilling tool according to claim 1, wherein the operating portion (40) includes a first gear (41) rotatably provided on the second bracket (30) and a crank (42) connected to the first gear (41), the crank (42) including two, the two cranks (42) being connected to both sides of the first gear (41).

6. Manual drilling tool according to claim 5, wherein the transmission part (50) comprises a rack ring (51) and a second gear wheel (52), the first gear wheel (41) being arranged vertically above the second gear wheel (52), the rack ring (51) being sleeved outside the first gear wheel (41) and the second gear wheel (52).

7. Manual drilling tool according to claim 1, characterized in that the second bracket (30) comprises a vertical bar (31) connected to the first bracket (10) and a cross bar (32) connected to the vertical bar (31), the operating part (40) being arranged on the cross bar (32).

8. Hand drilling tool according to claim 1, characterized in that it further comprises a bridge (60), said bridge (60) being connected to the end of the first bracket (10) remote from the drill head (20).

9. Manual drilling tool according to claim 8, characterized in that the overlap (60) comprises an inclined section (61), a straight section (62) and a stop section (63), the straight section (62) being connected between the inclined section (61) and the stop section (63), the inclined section (61) and the stop section (63) having an angle a therebetween, wherein 45 ° ≦ a ≦ 120 °.

10. The manual drilling tool according to any one of claims 1 to 9, characterized in that it comprises an ejector (70), said drill head (20) comprising a head (21) and a shank (22), a first end of said shank (22) being connected to said head (21) and a second end of said shank (22) being connected to said ejector (70).

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